Description 20 x 4.5 water filter – Provide your home with pure, healthy and clean water by using this Pleated Sediment filter. As well as most other brands of water filters. Fits most standard 20″x4.5″ Big Housings; 20-inch Water Filter: These universal standard size water filters are designed to fit most standard 4.5″ x 20″ whole house water filter system housings, so you don’t have to worry about compatibility issues. 5 Micron Water Filter: This string wound sediment filter is designed to reduce dirt, rust, sand, dust, and other undissolved sediments from your home water system, ensuring that your water is safe and clean to use. Efficient and Effective Filtration: This water filter cartridge features a unique honeycomb structure that guarantees outstanding dirt holding capacity. When compared to other similarly sized house water filters, it stands out by offering a 30% longer service life and a higher flow rate. Say goodbye to sediment and enjoy cleaner, fresher water with this top-notch filtration solution. Sediment Pre-filter: Used as a pre-filter for water treatment systems, helps extend the life of other water treatment equipment. Ideal for use in residential, commercial, and industrial applications, suitable for use with both well and municipal water sources. Perfect for well water! Lifetime: It is recommended to replace the filter cartridge every 4-6 months, depending on the quality of the water and the sediment levels present. A good indicator that the filter needs replacement is when the color of the water darkens, or the water flow slows down.